<template>
    <div>
        <h2>TsDesc</h2>
        <textarea :value="value4" @input="$emit('input4', $event.target.value)"></textarea>
        {{ value4 }}
    </div>
</template>
<script>
export default {
    props: ['value4'],
    model: { prop: 'value4', event: 'input4' }

}
</script>